(c) If demanded by Lessor, Lessee, at its sole expense, shall assemble and make the Aircraft, the Airframe, any Engines or Parts available at such location as may be directed by Lessor. Lessee hereby agrees that, in the event of the return to or repossession by Lessor of the Aircraft, the Airframe, any Engines or Parts, any rights in any warranty (express or implied) heretofore assigned to Lessee or otherwise held by Lessee shall without further act, notice or writing be assigned or reassigned to Lessor, if assignable. Lessee shall be liable to Lessor for all out-of-pocket expenses, disbursements, costs and fees incurred in: (i) repossessing, storing, preserving, shipping, maintaining, repairing and refurbishing the Aircraft, the Airframe, an Engine or Part to the condition required by Section 16 hereof; and (ii) preparing the Aircraft, the Airframe, an Engine or Part for sale or lease, advertising the sale or lease of the Aircraft, the Airframe, an Engine or Part and selling or releasing the Aircraft, the Airframe, an Engine or Part. Lessor is hereby authorized and instructed, at its option, to make reasonable expenditures which Lessor, in its sole discretion, considers advisable to repair and restore the Aircraft, the Airframe, an Engine or Part to the condition required by Section 16 hereof, all at Lessee's sole expense.